Natural Gold Quartz Balls Valued for its healing power as a blood cleanser, also for disorders of the nervous system and kidneys, Jade is also said to provide protection from illness and injuries, and is considered very good luck. Size: 70mm Yellow jade exudes a healing and soothing energy that benefits the digestive system. Revered as a stone that emits a gentle, steady energy, all colors of Jade inspire wisdom, practicality, moderation, perspective and peace.